CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
        1.1     Passive sensing missions
        1.2     Content and organization of report
 2     Overview of passive sensing products
        2.1     Passive sensing products
        2.2     Product hierarchy and descriptions
Level 0: Raw data
Level 1: Satellite data records
Level 2: Environmental data records
Weather, climate, environmental forecasting and archiving products
        2.3     Product generation process
        2.4     Environmental products and associated sensing bands
        2.5     Uses of environmental products and NWP model with data assimilation scheme
        2.6     Summary of passive sensing products
 3     Product quality and RFI
        3.1     Impact on quality
                  3.1.1     General factors affecting product quality
                  3.1.2     Impact on products
                  3.1.3     Propagation of errors through product levels
                  3.1.4     RFI detection in the NWP model
                  3.1.5     Impact of RFI on forecasting
        3.2     RFI identification
                  3.2.1     Near-real time interference detection using quality control methods of weather models
                  3.2.2     Real-time and near-real-time detection of RFI by identifying non-natural properties
                  3.2.3     Technique proposed for digital RFI detector
                  3.2.4     Post-processing interference detection
        3.3     Detection and impact of RFI on the mission
        3.4     Summary of RFI detection in products
 4     Interference and impact
        4.1     ITU guidance
        4.2     Industry understanding
        4.3     Passive remote sensing mitigation
                  4.3.1     RFI prevention through regulation
                  4.3.2     Data elimination
                  4.3.3     Real time mitigation techniques
                  4.3.4     Use of redundancy for missing or corrupted data estimation
        4.4     Mitigation of RFI risks
        4.5     Summary of interference and impact
 5     Summary
 6     Conclusion